Labeling means putting identification marks on the package. Label is a carrier of information & provides information like - name of the product, name of the manufacturer, contents of the product, expiry and manufacturing date, general information for use, weight etc.
Labels perform following functions:
1. Identify the product: - It helps the customers to identify the product from the various types available. For example: We can easily identify a Cadevere chocolate from the various chocolates by purple colour of its label.
2. Describe the product and specify its contents:
The manufacturer prints all the information related to the product

3. Grading of products: With the help of label, products can be graded in different categories for example: Brook Bond Red Label, Brook Bond Yellow Label, Green Label etc.

4. Helps in promotion of products :- Attractive and colourfull labels excite the customers and induce them to buy the products. For example :- 40% extra free mentioned on detergent etc.
5. Providing information required by law :- There is legal compulsion to print batch no., contents, max retail price, weight/volume on all the products and statutory warning on the packet of cigarettes, “Smoking is injurious to health”: In case of hazardous/poisonous material appropriate safety warnings need to be put.